Home / 348,540.60-522,119.70-207,881.40

Finding the Fourth Proportional to 348,540.60, 522,119.70 and 207,881.40

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Solution

The fourth proportional to 348,540.60, 522,119.70 and 207,881.40 is: 311,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,540.60 : 522,119.70 = 207,881.40 : x
  2. Step 2: Convert to fraction form
    348,540.60/522,119.70 = 207,881.40/x
  3. Step 3: Cross multiply
    348,540.60x = 522,119.70 × 207,881.40
  4. Step 4: Simplify right side
    348,540.60x = 108,538,974,203.58
  5. Step 5: Solve for x
    x = 108,538,974,203.58/348,540.60
  6. Step 6: Final answer
    x = 311,409.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.